| 摘要 |
A liquid crystal display device includes an insulating substrate, scanning lines formed on a main surface of the insulting substrate, a gate insulating film formed on the main surface and the scanning lines, signal lines formed crossing the scanning lines on the gate insulating film, an interlayer insulating film formed on the scanning lines, the first insulating film and the signal lines, pixel electrodes provided at respective regions defined by respective pairs of adjacent scanning lines and respective pairs of adjacent signal lines on the interlayer insulating film, TFTs provided corresponding to the pixel electrodes near respective cross points between the scanning lines and the signal lines, responsive to respective signals applied from respective ones of the pairs of scanning lines defining respective regions where the corresponding pixel electrodes are formed for connecting or disconnecting respective ones of the pair of signal lines defining the regions to or from the pixel electrodes, and a protection film formed at a peripheral edge of the interlayer insulating film to cover an interface between the interlayer insulating film and the underlying layer. Preferably, the protection film includes a conductive thin film.
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